1: (3 16 20)

(0 19 6)(1 5 3 18 16)(2 10 4)(7 11 8)(9 14 12)(13 17 15)(20)

2: (0 19 6)

(0)(1 5 3 18 16)(2 10 4)(6)(7 11 8)(9 14 12)(13 17 15)(19)(20)

3: (2 10 4)

(0)(1 5 3 18 16)(2)(4)(6)(7 11 8)(9 14 12)(10)(13 17 15)(19)(20)

4: (3 18 5)

(0)(1 5 16)(2)(3)(4)(6)(7 11 8)(9 14 12)(10)(13 17 15)(18)(19)(20)